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84 lines
2.4 KiB
84 lines
2.4 KiB
/*
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* Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __WCD934X_MBHC_H__
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#define __WCD934X_MBHC_H__
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#include "../wcd-mbhc-v2.h"
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enum wcd934x_on_demand_supply_name {
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WCD934X_ON_DEMAND_MICBIAS = 0,
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WCD934X_ON_DEMAND_SUPPLIES_MAX,
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};
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struct wcd934x_on_demand_supply {
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struct regulator *supply;
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int ondemand_supply_count;
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};
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struct wcd934x_mbhc {
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struct wcd_mbhc wcd_mbhc;
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struct blocking_notifier_head notifier;
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struct wcd934x_on_demand_supply on_demand_list[
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WCD934X_ON_DEMAND_SUPPLIES_MAX];
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struct wcd9xxx *wcd9xxx;
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struct fw_info *fw_data;
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bool mbhc_started;
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bool is_hph_recover;
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};
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#if IS_ENABLED(CONFIG_SND_SOC_WCD934X_MBHC)
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extern int tavil_mbhc_init(struct wcd934x_mbhc **mbhc,
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struct snd_soc_codec *codec,
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struct fw_info *fw_data);
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extern void tavil_mbhc_hs_detect_exit(struct snd_soc_codec *codec);
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extern int tavil_mbhc_hs_detect(struct snd_soc_codec *codec,
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struct wcd_mbhc_config *mbhc_cfg);
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extern void tavil_mbhc_deinit(struct snd_soc_codec *codec);
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extern int tavil_mbhc_post_ssr_init(struct wcd934x_mbhc *mbhc,
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struct snd_soc_codec *codec);
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extern int tavil_mbhc_get_impedance(struct wcd934x_mbhc *wcd934x_mbhc,
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uint32_t *zl, uint32_t *zr);
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#else
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static inline int tavil_mbhc_init(struct wcd934x_mbhc **mbhc,
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struct snd_soc_codec *codec,
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struct fw_info *fw_data)
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{
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return 0;
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}
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static inline void tavil_mbhc_hs_detect_exit(struct snd_soc_codec *codec)
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{
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}
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static inline int tavil_mbhc_hs_detect(struct snd_soc_codec *codec,
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struct wcd_mbhc_config *mbhc_cfg)
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{
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return 0;
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}
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static inline void tavil_mbhc_deinit(struct snd_soc_codec *codec)
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{
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}
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static inline int tavil_mbhc_post_ssr_init(struct wcd934x_mbhc *mbhc,
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struct snd_soc_codec *codec)
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{
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return 0;
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}
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static inline int tavil_mbhc_get_impedance(struct wcd934x_mbhc *wcd934x_mbhc,
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uint32_t *zl, uint32_t *zr)
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{
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if (zl)
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*zl = 0;
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if (zr)
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*zr = 0;
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return -EINVAL;
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}
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#endif
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#endif /* __WCD934X_MBHC_H__ */
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